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1. Consider a solar-energy-powered ideal Rankine cycle that uses water as the working fluid. Saturated vapor leaves the solar collector at 1000 kPa, and the condenser pressure is 10 kPa. Determine the thermal efficiency of this cycle.
2. The power plant in the previous problem is augmented with a natural gas burner to superheat the water to 300?C before entering the turbine. Find the cycle efficiency with this configuration and the specific heat transfer added by the natural gas burner.
A settling tank in a water treatment plant has an inflow of 2m3/min and a solids concentration of 2100 mg/L. The effluentfrom this settling tank goes to sand filters. Theconcentration of sludge coming out of the bottom (the underflow) is18,000 mg/L, ..
If two strands support the load equally, which size would you specify for a design load of 5000 lb?
A variable-order reaction A-->B has the following rate expression: R(a) = -kC(a)/(K+C(a)) where k = 5mg/L-hr and K=40mg/L The reaction is to take place in a batch reactor. The initial concentration is 450 mg/L
a. Determine the shear and moment diagram. b. Calculate the maximum normal stress on the top of the beam, on the bottom of the beam and indicate in terms of x its location.
A syringe is pointed vertically up in the air and a force of 5 lbs is applied to the plunger with a diameter of 0.5 inches. Assuming no losses in the system how high will the stream of water rise above the syringe
Discuss the different cases and how they may be accomplished by insulating the cylinder or by providing heating or cooling.
The hydraulic cylinder gives pin A a constant velocity v = 2 m/s long its axis for an interval of motion and, in turn, causes the slotted arm to rotate about O.
A bus strike will eliminate all bus traffic, but it is estimated that for each bus removed from the roadway, seven additional passenger vehicles will be added as travelers seek other means of travel. What are the density, volume-to-capacity ratio,..
Find e1, e2, e3 and deflections at those points
Two pipelines of equal length and diameters 15 cm and 10 cm respectively connect two reservoirs such that the pipelines are in parallel. The difference in water levels in the reservoirs is 3 m. If the friction is assume to be equal, the ratio of disc..
Determine the force P required to move the wedge under the post. The coefficient of static friction between all surfaces is 0.25. The applied force F is 200 lbs and the angle alpha is 15 degrees.
For a concrete column that is part of a braced frame, if the column is square, tied, 18 inches per side, 16 feet long, classify the column as slender or non slender
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